GUVI

Global UltraViolet Imager

GUVI Biblio





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Found 19 entries in the Bibliography.


Showing entries from 1 through 19


2017

The quasi-6~day wave and its interactions with solar tides

Thermosphere Ionosphere Mesosphere Energetics and Dynamics/Sounding of the Atmosphere using Broadband Emission Radiometry (TIMED/SABER) temperature measurements between 20 and 110\ km altitude and \textpm50\textdegree latitude during 2002\textendash2015 are employed to reveal the climatological characteristics of the quasi-6\ day wave (Q6DW) and evidence for secondary waves (SW) resulting from its nonlinear interactions with solar tides. The mean period is 6.14d with a standard deviation (σ) of 0.26d. ...

Forbes, Jeffrey; Zhang, Xiaoli;

Published by: Journal of Geophysical Research: Space Physics      Published on: 03/2017

YEAR: 2017     DOI: 10.1002/2017JA023954

The quasi-6 day wave and its interactions with solar tides

Q6DW in the lower thermosphere; the [O]/[N 2 ] variations were measured by Thermosphere Ionosphere Mesosphere Energetics and Dynamics/Global Ultraviolet Imager (TIMED/GUVI)

Forbes, Jeffrey; Zhang, Xiaoli;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2017     DOI: 10.1002/2017JA023954

2012

Ionosphere response to recurrent geomagnetic activity in 1974

Fang, Tzu-Wei; Forbes, Jeffrey;

Published by: Journal of Geophysical Research      Published on: Jan-01-2012

YEAR: 2012     DOI: 10.1029/2011JA017017

2011

Wave-driven variability in the ionosphere-thermosphere-mesosphere system from TIMED observations: What contributes to the "wave 4"?

Oberheide, J.; Forbes, J.; Zhang, X.; Bruinsma, S.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2011

YEAR: 2011     DOI: 10.1029/2010JA015911

2010

Ionosphere response to recurrent geomagnetic activity: Local time dependency

Pedatella, N.; Lei, J.; Thayer, J.; Forbes, J.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2010

YEAR: 2010     DOI: 10.1029/2009JA014712

The Armada mission: Determining the dynamic and spatial response of the thermosphere/ionosphere system to energy inputs on global and regional scales

Ridley, AJ; Forbes, JM; Cutler, J; Nicholas, AC; Thayer, JP; Fuller-Rowell, TJ; Matsuo, T; Bristow, WA; Conde, MG; Drob, DP; , others;

Published by:       Published on:

YEAR: 2010     DOI:

2009

The effect of non-migrating tides on the morphology of the equatorial ionospheric anomaly: seasonal variability

England, Scott; Zhang, Xiaoli; Immel, Thomas; Forbes, Jeffrey; DeMajistre, Robert;

Published by: Earth Planets Space      Published on:

YEAR: 2009     DOI:

Upward propagating tidal effects across the E-and F-regions of the ionosphere

Immel, Thomas; England, Scott; Zhang, Xiaoli; Forbes, Jeffrey; DeMajistre, Robert;

Published by: Earth, planets and space      Published on:

YEAR: 2009     DOI:

LONGITUDINAL VARIATION OF THE ANNUAL AND HEMISPHERIC ASYMMETRIES OF THE LOW-MIDDLE LATITUDE IONOSPHERE

Kwak, Y; Kil, H; Oh, S; Lee, W; Forbes, JM; Cho, K;

Published by:       Published on:

YEAR: 2009     DOI:

Observations of the ionospheric response to the 15 December 2006 geomagnetic storm: Long-duration positive storm effect

The long-duration positive ionospheric storm effect that occurred on 15 December 2006 is investigated using a combination of ground-based Global Positioning System (GPS) total electron content (TEC), TOPEX and Jason-1 TEC, and topside ionosphere/plasmasphere TEC, GPS radio occultation, and tiny ionospheric photometer (TIP) observations from the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) satellites. This multi-instrument approach provides a unique view of the ionospheric positive storm ef ...

Pedatella, N.; Lei, J.; Larson, K.; Forbes, J.;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2009     DOI: https://doi.org/10.1029/2009JA014568

Ionosphere; geomagnetic storm

Reversed ionospheric convections during the November 2004 storm: Impact on the upper atmosphere

Using the Assimilative Mapping of Ionospheric Electrodynamics (AMIE) procedure, a particular period (2000–2350 UT on 9 November) in the November 2004 storm is studied. During this time interval, IMF Bz was strongly northward along with a high solar wind dynamic pressure, favorable conditions to form reversed convection in the polar region. Indeed, the AMIE outputs show strong reversed convection cells in both hemispheres for a long period (>1 h), which have rarely been observed. The impact on the thermospheric neutral wind ...

Deng, Yue; Lu, Gang; Kwak, Young-Sil; Sutton, Eric; Forbes, Jeffrey; Solomon, Stan;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2009     DOI: https://doi.org/10.1029/2008JA013793

reversed convection; November 2004 storm

2008

Tidal propagation of deep tropical cloud signatures into the thermosphere from TIMED observations

Oberheide, J.; Forbes, J.;

Published by: Geophysical Research Letters      Published on: Jan-01-2008

YEAR: 2008     DOI: 10.1029/2007GL032397

Neutral composition and density effects in the October-November 2003 Magnetic Storms

Immel, TJ; Crowley, Geoff; Forbes, JM; Nerem, RS; Sutton, EK;

Published by: Midlatitude Ionospheric Dynamics and Disturbances      Published on:

YEAR: 2008     DOI:

Rotating solar coronal holes and periodic modulation of the upper atmosphere

Lei, Jiuhou; Thayer, Jeffrey; Forbes, Jeffrey; Sutton, Eric; Nerem, Steven;

Published by: Geophysical Research Letters      Published on:

YEAR: 2008     DOI:

Tidal variability in the ionospheric dynamo region

The seasonal and interannual variability of migrating (Sun-synchronous) and nonmigrating solar atmospheric tides at altitudes between 100 and 116 km are investigated using temperature measurements made with the SABER instrument on the TIMED spacecraft during 2002–2006. Quasi-biennial variations of order ±10–15\% in migrating diurnal and semidiurnal tidal amplitudes are found, presumably due to modulation by the quasi-biennial oscillation (QBO) as the tides propagate from their troposphere and stratospheric sources to th ...

Forbes, J.; Zhang, X.; Palo, S.; Russell, J.; Mertens, C.; Mlynczak, M.;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2008     DOI: https://doi.org/10.1029/2007JA012737

tides; dynamo; Ionosphere

2007

Density and winds in the thermosphere deduced from accelerometer data

IN THE past 10 years, the thermosphere community has called for a movement from station-based and regional studies to global studies spanning several decades [1–3]. Since these

Sutton, Eric; Nerem, Steven; Forbes, Jeffrey;

Published by: Journal of Spacecraft and Rockets      Published on:

YEAR: 2007     DOI: 10.2514/1.28641

2006

Thermosphere density response to the 20\textendash21 November 2003 solar and geomagnetic storm from CHAMP and GRACE accelerometer data

Bruinsma, Sean; Forbes, Jeffrey; Nerem, Steven; Zhang, Xiaoli;

Published by: Journal of Geophysical Research      Published on: Jan-01-2006

YEAR: 2006     DOI: 10.1029/2005JA011284

Thermosphere density response to the 20-21 November 2003 solar and geomagnetic storm from CHAMP and GRACE accelerometer data

Bruinsma, Sean; Forbes, Jeffrey; Nerem, Steven; Zhang, Xiaoli;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2006     DOI:

2005

NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) Mission: Significant Findings and Evolving Research

Yee, J; Christensen, A; Russell, J; Killeen, T; Woods, T; Kozyra, J; Smith, A; Fritts, D; Forbes, J; Mayr, H; , others;

Published by:       Published on:

YEAR: 2005     DOI:



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